100 lines
6.5 KiB
C++
100 lines
6.5 KiB
C++
#ifndef OBJECT_H
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#define OBJECT_H
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#include <list>
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#include <string>
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#include <vector>
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class Database;
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//taken from GodotEngine's object.h
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#define RCPP_OBJECT(m_class, m_inherits) \
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private: \
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void operator=(const m_class &p_rval) {} \
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\
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public: \
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virtual std::string get_class() const override { \
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return std::string(#m_class); \
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} \
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static void *get_class_ptr_static() { \
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static int ptr; \
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return &ptr; \
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} \
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static std::string get_class_static() { \
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return std::string(#m_class); \
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} \
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static std::string get_parent_class_static() { \
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return m_inherits::get_class_static(); \
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} \
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static void get_inheritance_list_static(std::list<std::string> *p_inheritance_list) { \
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m_inherits::get_inheritance_list_static(p_inheritance_list); \
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p_inheritance_list->push_back(std::string(#m_class)); \
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} \
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static std::string inherits_static() { \
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return std::string(#m_inherits); \
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} \
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virtual bool is_class(const std::string &p_class) const override { return (p_class == (#m_class)) ? true : m_inherits::is_class(p_class); } \
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virtual bool is_class_ptr(void *p_ptr) const override { return (p_ptr == get_class_ptr_static()) ? true : m_inherits::is_class_ptr(p_ptr); } \
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\
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static void get_valid_parents_static(std::list<std::string> *p_parents) { \
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if (m_class::_get_valid_parents_static != m_inherits::_get_valid_parents_static) { \
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m_class::_get_valid_parents_static(p_parents); \
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} \
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\
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m_inherits::get_valid_parents_static(p_parents); \
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} \
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\
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private:
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class Object {
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public:
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Database *db;
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virtual std::string get_class() const { return "Object"; }
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static void *get_class_ptr_static() {
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static int ptr;
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return &ptr;
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}
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static std::string get_class_static() { return "Object"; }
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static std::string get_parent_class_static() { return std::string(); }
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static void get_inheritance_list_static(std::list<std::string> *p_inheritance_list) { p_inheritance_list->push_back("Object"); }
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virtual bool is_class(const std::string &p_class) const { return (p_class == "Object"); }
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virtual bool is_class_ptr(void *p_ptr) const { return get_class_ptr_static() == p_ptr; }
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static void get_valid_parents_static(std::list<std::string> *p_parents) {}
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static void _get_valid_parents_static(std::list<std::string> *p_parents) {}
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//dbconnection
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//setting object?
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//FileCache? -> set it to the global singleton by default?
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virtual void migrate();
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Object();
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virtual ~Object();
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template <class T>
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static T *cast_to(Object *p_object) {
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if (!p_object)
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return NULL;
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if (p_object->is_class_ptr(T::get_class_ptr_static()))
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return static_cast<T *>(p_object);
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else
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return NULL;
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}
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template <class T>
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static const T *cast_to(const Object *p_object) {
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if (!p_object)
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return NULL;
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if (p_object->is_class_ptr(T::get_class_ptr_static()))
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return static_cast<const T *>(p_object);
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else
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return NULL;
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}
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};
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#endif |